271.Which is a low carbon steel?
(a)Cast iron
(b)Mild steel
(c)Wrought iron
(d)Stainless steel
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272.Which process is used for smooth or polished surface with abrasive paper?
(a)Sanding
(b)Scraping
(c)Sand blasting
(d)Buffing
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273.Which tool is used to smoothen the surface by abrasion with sand paper?
(a)Scraper
(b)Sander tool
(c)Sand blaster
(d)Pneumatic chipper
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274.Which mechanical cleaning process is used to rub putty on metal surface?
(a)Dry sanding
(b)Wet sanding
(c)Dry scraping
(d)Wet scraping
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275.Which type of cleaning method is used for sanding on wood and walls surface?
(a)Wet sanding
(b)Dry scraping
(c)Wet scraping
(d)Dry sanding
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276.Which process remove dirt, old paint or other substance while preparing the surface for painting?
(a)Pressure feed
(b)Sand blasting
(c)Spray wash
(d)Scraping
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277.Which mechanical tool is used to remove old paint from the surface?
(a)Drill machine
(b)Putty knife
(c)Portable knife
(d)Scraper knife
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278.Which tool is used to remove flaking paint, rust, scratches, dirt and small imperfections of surface?
(a)Sash tool brush
(b)Wire brush
(c)Bathroom brush
(d)Plastic brush
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279.Which is the most common cleaning agent that is very power full poler solvent?
(a)Citric acid
(b)Carbon dioxide
(c)Water
(d)Ammonia solution
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280.Which organic compound is used in surface cleaning for painting?
(a)Hydrochloride
(b)Bleaching powder
(c)Caustic soda
(d)Flux
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281.Which chemical is used in solvent degreasing solution?
(a)Soap and detergent
(b)Bleaching powder
(c)Turpentine
(d)Alcohol base solvent
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282.Which process the grease and oil is removed from the surface?
(a) Derusting
(b)Degreasing
(c)Phosphate
(d)Pickling
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283.What is used on steel part for corrosion resistance before coating and painting?
(a)Degreasing
(b)Pickling
(c)Oiling
(d)Phosphate
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284.Which is the main type of phosphate coatings?
(a)Copper
(b)Zinc
(c)Bronze
(d)Brass
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285.Which phosphates are typically used as a base for coating and painting?
(a)Iron
(b)Copper
(c)Brass
(d)Sulphur
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286.Which process include degreasing, scoring, bleaching, dyeing and softening?
(a)Painting process
(b)Sanding process
(c)Pre-treatment process
(d)Prime ring process
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287.Which is the metal primer?
(a)Acrylic primer
(b)Latex primer
(c)Red oxide primer
(d)Cement primer
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288.Which primer is used on non ferrous metal?
(a)White oil primer
(b)Red oxide primer
(c)Water primer
(d)Etch primer
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289.Which primer protect metal against rust or corrosion?
(a)Etch primer
(b)Zinc primer
(c)Red oxide primer
(d)Cement primer
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290.Which ensure better adhesion of paint to the surface?
(a)Primer
(b)Varnish
(c)Finish coat
(d)Base coat
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